The REANIBEX 500 is a compact, robust and intuitive Monitor Defibrillator designed for the Emergency Services. It is able to monitor the ECG signal, defibrillate and to provide a pacemaker therapy in a unique portable and light device, and incorporates all the necessary characteristics for being used in emergency situations. This device incluyes a high colour screen for monitoring the ECG signal and optionally the SpO2 waveform.